US1074212A - Bull-rope protector. - Google Patents

Description

P. A. SGH UGK; BULL ROPE PROTECTOR. APPLICATION FILED FEB. 1, 1912.

1 074 212 Patented Sept. 30, 1913.

PHILLIP A. soHMUcK, on LOS ANGELES, CALIFQRNIA.

' BULL-RCPE PROTECTOR.

Specification of Letters Patent. 1

Application filed February 1, 1912. Serial N6. 674,694.

To all whom it may 00mm.-

,Be 1t known that I, PHILLIP A. SoHMUcK,

;a citizen of the United States, residing at Los Angeles, in the county of Los Angeles andState of California, have invented new and useful Improvements in Bull-Rope Pr'otectors, of which the following is a specification.

- i This invention relates to improvements in bull rope protectors and shifters and it is an object of the invention to providea mechanism by which the usual bull rope of a well boring mechanism, may be lifted or shifted and held out of engagement with the tug wheel which is employed to drive it inoperating the bull wheel.

It is also an object of the invention to provide a lever mechanism adaptedto raise and hold the bull rope of a well operating mechanism, out of engagement with the revolving tug wheel when it is not desired to operate the bull wheel,

In the accompanying drawing forminga part of this specification, Figure 1 is a side elevation of a tug wheel, and a portion of a bull wheel being also shown in side elevation and as liftedfrom the tug wheel by the improved mechanism forming the subject matter [of this invention. Fig; 2 is an edge elevation of'the tug wheel and adjacent band wheel driven by the engine of the mechanism not shown, the bull rope protector being shown in position. Fig. 3 is a t op'plan view of the said band wheel, tug wheel and bull rope protector. Fig. 4 is a, detail View in end elevation of the bull rope protector showing two arms employed for lifting the bull rope. Fig. '5 is a detail view in side elevation of-t-he'modified form of bull rope protector shown in Fig. 4 and showing also a rope for lifting the same.

The details and features of the invention will now be more particularly described, reference being had to the said drawing in which indicates a bull rope of the ordinary type employed in connection with the oil well drilling mechanism. (3 indicates a bull wheel adapted to be driven by the said bull rope, 7 a tug-wheel or pulley carried by an adjacent band wheel 8 which is driven by a belt 9 extending to an'engine not shown. The tug and band wheels 7 and '8 are mounted upon a shaft 10 which is journaled upon suitable pillars 11 in the usual manner.

T'he band Wheel 8 is ordinarily driven more or less continuously the engine and when the bull rope 5 is notibeing employedfor driving the-bull wheel it is either necessary to allow it to rubloosely upon the said: tug

wheel, or to haveianattendantgo around into the engine housing-andclose to the rapidly movingband wheeland tug wheel and lift the bull rope ofl'. The present invention obviates this loss of time and danger and aifords means for shiftingthe bull rope from a position outside the usual housing built around the engine and the band wheel. In operating the bull wheel -6 also it .now usually: requires the shutting down of the engine teniporarilyto'place the bull rope upon the bull wheel and upon-the revolving tug wheel-7. a

The improved .mechanism forming the subject matter of this invention is adapted to suspend and hold the bull rope out of contact with the tug wheel when the bull Patented Sept. 30,1913. 1

wheel (3 isnotbeingoperatedand'to facili 'anism for effecting this purpose 1 comprises a pivoted bar 12' which' is jourl'ialed'at its lowerend' upon a bolt- 13 secured to one of the pillars 11. The upper end of said bar 12 extends slightly ahove'the tug wheel 7 and is provided within-n :arm14, which is journaled upoi'tthe said bar- 12 aiidwsupported thereon at a proper h'eight-bymeans of an adjustable collar 151 A set screw 1.6 affords means for holding the "said collar adj ustably in place: The 14 ie-formed with an'enlarg'ement or eye 17 whichfits rather snugly upon the bar-12 so as not'to swing out of position ordinarily. Its engagement withthe bar, however, is such that it can be forced to one side by the action of the bull rope when necessary. Ordinarily the said arm 14, however, extends inwardly toward the band wheel, over the periphery of the tug wheel as shown in Figs. 2 and 3.

A thrust rod 18 is pivoted at 19 to the bar 12 and its outer free end extends outside the engine house (not shown) and is provided with a hand hold 20. By pulling upon the hand held 20 when the parts are in the position shown in Fig. 1 and-the arm 14 is holding the bull rope out. of engagement with the tug wheel, the arm 12 may be rocked forwardly to the position shown in dotted lines in said Fig. 1 so as to drop the bull rope upon the tug wheel. At this time the bull rope is also put upon the periphery of the bull wheel 6"so that the said rope will communicate movement from the tug wheel.

1 of the bull wheel the bull-rope 5 is drawn from its periphery, without stopping the band wheel 8 orthe tug pulley or wheel carried thereby. Then the arm 12 is formed to its upright position as shown in full lines in Fig. 1 so as to lift the said bull rope out of engagement with the periphery of the tug wheel or pulley. In this position the band Wheel 8 with the tug wheel or pulley 7 can continue its operation under the action of the belt 9 and yet will not wear upon or engage the bull rope. Sometimes it is desired to start the bull rope in the opposite direction from that heretofore described, especially when the engine is reversed and the movement of the band wheel 8 is in an opposite direction. In such event the bull rope 5 is pulled upon so as to draw it a ainst the bottom of the tug wheel or pulley and since the bar 12 cannot move outwardly, be-

causeof the shaft 10, the arm l lwxll be' turned to one side by the bull rope, so as to be thrown out from beneath it and the bull rope will then drop into place upon the groove of the pulley or wheel 7. It will thus be apparent that the device is useful for holding the bull rope and for permitting of'its being put in place again whenever it is necessary to-drive the bull wheel.

As shown in Fig. 4 the construction of the bull rope lifting mechanism may be. slightly modified and the outer end of the bar 12 may be provided with a cross bar 22, the ends of which are provided with upturned standards or --end portions 23 upon which arms 24 are pivotally mounted, the said arms bein practically the same as the arm 14 hereto ore described. By this construction the bar 12 may be made to support the bull rope at two points instead of at one for further insuring the complete disengagement of the said bull rope from the tug Wheel. In this instance also as shown in Fig. 5 a lifting rope 25 may be' employed and connected with an eye 26in the ugperf" end of the bar 12 for lifting it instea using the thrust rod 18 heretofore described, the said rope extending to anydesired point outside the engine house. The action of the parts is ractically the same as already set forth an needs no further description.

\Vhat I claim is:

1. In a bull rope protector, the combination with a tug wheel and its support, of a bar pivotally mounted on said support and movable in a plane parallel with the periphery of the'tug wheel limited by its contact with the shaft of said tug wheel, a stop adjacent said bar. to support said bar, and a contact arm slidably mounted on said bar, extending over the groove in said tug wheel, an adjustable sleeve to adjust and support said contact arm, and an operating rod secured intermediate said pivotal mountingjacent said bar to support saidbar, and a contact arm slidably mounted on said bar, extending over thegroove in said tug wheel, an adjustable sleeve to adjust and support said contact'arm, and means to swing said bar, whereby the bull rope is lifted and held out of contact with said tug wheel by said bar engaging said shaft, and also supported. on said stop.

In witness that I claim the foregoing I have hereunto subscribed my name this 20th day of January 1912.

- P. A. SOHMUCK.

Witnesses:

EDMUND A. .S'rRAUsE EARLE R. Ponmnn.

Images